Ter Stegen and Cillessen, teammates at Barça for three seasons (between 2016 and 2019), met again Thursday in the Hamburg Imtech Arena, where Germany and Netherlands, will meet on Friday, in qualifying match for Euro 2020.
The current Barça goalkeeper and the Valencia goalkeeper have greeted each other before the official training and discussed, as shown by Ter Stegen's Instagram.
Ter Stegen is expected to be a substitute for Neuer, and Cillessen, no surprise, will play at the start.